Cable trough



FIG. 1 is a left, top, front perspective view of a first embodiment of a cable trough showing our new design;

FIG. 2 is a front elevational view thereof, the rear elevational view thereof being a mirror image of the front shown;

FIG. 3 is a left side elevational view thereof, the right side elevational view thereof being a mirror image of the left side shown.

FIG. 4 is a top plan view thereof;

FIG. 5 is bottom plan view thereof;

FIG. 6 is a left, top, front perspective view of a second embodiment of a cable trough showing our new design;

FIG. 7 is a front elevational view thereof, the rear elevational view thereof being a mirror image of the front shown;

FIG. 8 is a left side elevational view thereof, the right side elevational view thereof being a mirror image of the left side shown.

FIG. 9 is a top plan view thereof; and,

FIG. 10 is bottom plan view thereof.

The broken line representations in FIGS. 1 and 6 show unclaimed environment only and thus form no part of the claimed design. 

The ornamental design for a cable trough, as shown and described. 